WordReference Random House Unabridged Dictionary of American English © 2026
dim•er•ous
(dim′ər əs),USA pronunciation adj.
dim′er•ism, n.
- consisting of or divided into two parts.
- [Bot.](of flowers) having two members in each whorl.
- Greek dimeré̄s bipartite. See di-1, -merous
- Neo-Latin dimerus
- 1820–30
'dimerous' also found in these entries (note: many are not synonyms or translations):